---
slug: 14-negative-prompting-artifacts
role: index
date: 2026-04-21
---

> **📅 Research snapshot as of 2026-04-21.** Provider pricing, free-tier availability, and model capabilities drift every quarter. The router reads `data/routing-table.json` and `data/model-registry.json` at runtime — treat those as source of truth. If this document disagrees with the registry, the registry wins.

# Category 14 — Negative Prompting Artifacts

Negative prompts are a CFG sampler trick, not a universal feature. Regenerate-vs-repair decision matrix; deterministic validator → ML scorer → VLM rubric tiering.

## Angles

| File | Topic |
|---|---|
| [`14a-negative-prompts-for-assets.md`](./14a-negative-prompts-for-assets.md) | Negative prompt theory re-applied to asset generation — what "negative" actually does, per model, per asset type |
| [`14b-artifact-taxonomy.md`](./14b-artifact-taxonomy.md) | Comprehensive Taxonomy of Asset-Generation Artifacts — Root Cause, Visual Signature, Detection, Mitigation |
| [`14c-regenerate-vs-repair-strategies.md`](./14c-regenerate-vs-repair-strategies.md) | When to Regenerate vs. Repair: Seed Iteration, img2img, Inpainting, ControlNet, and Upscale-as-Repair |
| [`14d-automated-quality-scoring.md`](./14d-automated-quality-scoring.md) | Automated Quality Scoring for Generated Assets: CLIPScore, ImageReward, PickScore, HPSv2/v3, LAION Aesthetics, Verifiers, and VLM-as-Judge |
| [`14e-deterministic-validation-checks.md`](./14e-deterministic-validation-checks.md) | Deterministic Validation Checks for Generated Image Assets |

## Also in this folder

- [`SYNTHESIS.md`](./SYNTHESIS.md) — synthesized insights across angles

## Up one level

- [`../index.md`](../index.md) — master research index
- [`../SYNTHESIS.md`](../SYNTHESIS.md) — master synthesis
